Rational Numbers
Is −6 an integer, a rational number, or both
Both. Every integer can be written as a fraction, such as −6/1.
Find: (−6)(4)
-24
Find: −7 + 12
5
Solve: x + 7 = 15
x = 8
Solve: 2x + 3 = 11
x = 4
Write 0.75 as a fraction in simplest form
3/4
Find: (−42) ÷ 7
−6
Find: 9 − 14
−5
Solve: y − 9 = −4
y = 5
Solve: 5y − 7 = 18
y = 5
Order from least to greatest: −0.8, 1/2, −3/4.
−0.8, −3/4, 1/2
Find: (−3/5)(10/9)
−2/3
Find: −3/4 + 1/2
−1/4
Solve: −5m = 35
m = −7
Solve: −3m + 4 = 19
m = −5
Which is greater: −5/6 or −0.8?
-0.8
Find: (−7/8) ÷ (−14/3)
3/16
Find: 5/6 − (−1/3)
7/6 or 1 1/6
Solve: n ÷ (−6) = 4
n = −24
Solve: n/4 + 6 = 2
n = −16
Explain why 0.272727… is rational
It is a repeating decimal, so it can be written as a fraction
A diver descends 4.5 feet each minute for 6 minutes. What is the change in elevation?
−27 feet
The temperature is −6.5°F and rises 9.25°F. What is the new temperature?
2.75°F
A number decreased by 13 is −21. What is the number?
−8
A gym charges a $15 fee plus $8 per visit. The total is $71. How many visits?
7 visits
FINAL Jeopardy
A gym charges a one-time fee of $18 plus $6 per visit. A student pays $66 total.
Write and solve an equation to find the number of visits
18 + 6v = 66
6v = 48
v = 8 visits